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METHOD OF DETERMINING KIDNEY TRANSPLANTATION TOLERANCE

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اقرأ أكثر حفظ في قائمتي
  • Publication Date:
    June 6, 2013
  • معلومة اضافية
    • Document Number:
      20130143223
    • Appl. No:
      13/696215
    • Application Filed:
      May 04, 2011
    • نبذة مختصرة :
      The present invention relates to a method of determining an individual's transplantation tolerance by determining the level of a number of biomarkers. The present invention also relates to a kit comprising reagents for detecting the levels of the biomarkers. The present invention also relates to a sensor for detecting the expression levels of a plurality of genes that can be used to determine an individual's transplantation tolerance.
    • Claim:
      1. A method of determining an individual's immunological tolerance to a kidney organ transplantation comprising determining the level of expression of at least 2 genes selected from the group consisting of TLR5, PNOC, SH2D1B, CD79B, TCL1A, HS3ST1, MS4A1, FCRL1, SLC8A1 and FCRL2 in a sample obtained from the individual with the transplanted kidney.
    • Claim:
      2. The method of claim 1, wherein an individual is determined to have immunological tolerance to the kidney organ transplantation when the level of expression of SH2D1B, PNOC, CD79B, TCL1A, HS3ST1, MS4A1, FCRL1 and FCRL2 is higher than a normal level, and wherein an individual is determined to have immunological tolerance when the level of expression of TLR5 and SLC8A1 is lower than a normal level.
    • Claim:
      3. The method of claim 1, wherein the level of expression of genes TLRS, PNOC and SH2D1B in a sample obtained from the individual is determined.
    • Claim:
      4. The method of claim 3, wherein a positive prediction of an individual's tolerance to an organ transplantation is given when a high level of expression of SH2D1 B and PNOC and a low level of expression on TLR5S is determined.
    • Claim:
      5. The method claim 3, wherein the expression level of one or more of the following genes CD79B, TCL1A, HS3ST1, MS4A1, FCRL1, SLC8A1 and FCRL2 is additionally determined.
    • Claim:
      6. The method of claim 1, wherein the method further comprises detecting the level of B cells and NK cells, wherein a raised level of such cells is indicative of immunological tolerance.
    • Claim:
      7. The method of claim 1 wherein the method further comprises determining the level of CD4+CD25int T cells, wherein a reduced level of such cells relative to total CD4+ T cells is indicative of immunological tolerance.
    • Claim:
      8. The method of claim 1, wherein the method further comprises determining the level of donor specific CD4+ T cells, wherein a reduced level of such cells is indicative of immunological tolerance.
    • Claim:
      9. The method of claim 1, wherein the method further comprises determining the ratio of expression levels of FoxP3 to α-1,2-mannosidase gene of CD4+ T cells, wherein a high ratio is indicative of immunological tolerance.
    • Claim:
      10. The method of claim 1, wherein the method further comprises determining the ratio of CD19+ to CD3+ cells, wherein a high ratio is indicative of immunological tolerance.
    • Claim:
      11. The method of claim 1, wherein the expression levels of beta-actin and/or HRPT are used as controls.
    • Claim:
      12. A sensor for detecting expression levels, comprising one or more nucleic acid probes specific for at least 2 genes selected from the group consisting of TLR5, PNOC, SH2D1B, CD79B, TCL1A, HS3ST1, MS4A1, FCRL1, SLC8A1, and FCRL2.
    • Claim:
      13. A sensor for determining expression levels, comprising one or more nucleic acid probes specific for each of the TLRS, PNOC and SH2D1B genes.
    • Claim:
      14. The sensor of claim 13, which is for detecting the expression of one or more of the following genes CD79H, TCL1A, HS3ST1, MS4A 1, FCRL1, SLC8A1 and FCRL2.
    • Claim:
      15. A kit comprising reagents for detecting the level of expression, comprising one or more nucleic acid probes or primers specific for at least 2 genes selected from the group consisting of TLR5, PNOC, SH2D1B, CD79B, TCL1A, HS3ST1, MS4A1, FCRL1, SLC8A1 and FCRL2.
    • Claim:
      16. A kit comprising reagents for detecting the level of expression, comprising one or more nucleic acid probes or primers specific for the TLR5, PNOC and SH2D1B genes.
    • Claim:
      17. The kit of claim 16 that further comprises reagents for detecting the level of expression of one or more of the following genes CD79B, TCL1A, HS3ST1, MS4A 1, FCRL1, SLC8A 1 and FCRL2.
    • Claim:
      18. The kit of claim 15, which comprises reagents for detecting the level of gene expression of the genes by RT-PCR.
    • Claim:
      19. The kit of claim 16, which comprises reagents for detecting the level of gene expression of the genes by RT-PCR.
    • Claim:
      20. The kit of claim 17, which comprises reagents for detecting the level of gene expression of the genes by RT-PCR.
    • Current U.S. Class:
      435/612
    • Current International Class:
      12
    • الرقم المعرف:
      edspap.20130143223